Devonian
adjective geology specialized uk/devˈəʊ.ni.ən/ us/dɪvˈoʊ.ni.ən/
泥盆纪（或系）的
from or referring to the period of time between about 420 and 360 million years ago, in which many plants, including the first trees, appeared on land
the Devonian period 泥盆纪
Devonian rocks 泥盆纪岩石
the Devonian
noun [ S ]
泥盆纪
the Devonian period